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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2005 Stphane Del Pino
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: DiscretizationType.hpp,v 1.5 2007/05/20 23:15:36 delpinux Exp $
#ifndef DISCRETIZATION_TYPE_HPP
#define DISCRETIZATION_TYPE_HPP
#include <ErrorHandler.hpp>
#include <string>
/**
* @file DiscretizationType.hpp
* @author Stephane Del Pino
* @date Mon May 30 23:28:37 2005
*
* @brief This class describes type of Discretization
*
*/
class DiscretizationType
{
public:
enum Type {
undefined =-1, /**< not defined */
functionLike = 0, /**< keeps function type if possible */
// finite element-like discretizations
lagrangianFEM0 =10, /**< Lagrangian finite element of degree 0 */
lagrangianFEM1 =11, /**< Lagrangian finite element of degree 1 */
lagrangianFEM2 =12, /**< Lagrangian finite element of degree 2 */
// Spectral-like discretizations
spectralLegendre=20 /**< Lagrange spectral method */
};
private:
Type __type; /**< Type of discretization */
public:
static Type getDefault(const Type& type)
{
return (type==undefined)?lagrangianFEM1:type;
}
const DiscretizationType& operator=(const DiscretizationType::Type& type)
{
__type=type;
return *this;
}
/**
* convertes type in its name
*
* @param type type of discretization
*
* @return name of the type
*/
static std::string name(const DiscretizationType::Type& type)
{
switch (type) {
case lagrangianFEM0: return "P0";
case lagrangianFEM1: return "P1";
case lagrangianFEM2: return "P2";
case spectralLegendre:return "Legendre";
case undefined: return "undefined";
case functionLike: return "function-like";
}
throw ErrorHandler(__FILE__,__LINE__,
"unknown Discretization type",
ErrorHandler::unexpected);
}
/**
* convertes type in its name
*
* @param type type of discretization
*
* @return name of the type
*/
static std::string name(const DiscretizationType& discretization)
{
return DiscretizationType::name(discretization.type());
}
/**
* Read-only access to the type
*
* @return __type
*/
const Type& type() const
{
return __type;
}
/**
* Constructor
*
* @param type type of discretization
*/
DiscretizationType(const DiscretizationType::Type& type = undefined)
: __type(type)
{
;
}
/**
* Copy constructor
*
* @param d originale discretization type
*/
DiscretizationType(const DiscretizationType& d)
: __type(d.__type)
{
;
}
/**
* Destructor
*
*/
~DiscretizationType()
{
;
}
};
#endif // DISCRETIZATION_TYPE_HPP
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